Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e05d377692170b7…

MALICIOUS

PDF

44.3 KB Authoring application: ImageMagick
MD5: fcd412b33f77b84f9e804d7d6b77125f SHA-1: 84cbe6e40b9518eaefa0d92269d78c5c30c3bfe3 SHA-256: 1e05d377692170b7ff13e2ae3afb0feb7689ea1d170a2f50fca3742805fe3a9e
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall-7605656-0. The primary function appears to be directing users to a multitude of other PDF files hosted on various domains, likely for SEO spam or to distribute further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://baseballexams.com/uploads/1/3/0/2/130287932/42e7d5444d.pdf
    • http://siskiyouespressotech.com/uploads/1/3/0/5/130540882/9468628.pdf
    • http://www.hfmstudio.no/uploads/1/3/0/2/130273799/5355440.pdf
    • http://villaandresito.com/uploads/1/3/0/8/130874608/zapuzolekid.pdf
    • http://pmc2u.com/uploads/1/3/0/5/130540795/nuxadiwuno.pdf
    • http://www.live.mygpchurch.com/uploads/1/3/0/5/130589238/lanonezubexej-demimorader-tuvirasinuzav.pdf
    • http://www.pcbchain.co.uk/uploads/1/3/0/4/130489434/sakovefuv.pdf
    • http://spiritjooga.com/uploads/1/3/0/3/130313803/popinufi.pdf
    • http://hostmaster.rachelsawyer.co.uk/uploads/1/3/0/2/130288359/8433f8a5926.pdf
    • http://xintaiyangchengkaihuyouhui.br3h.com/uploads/1/3/0/7/130739221/164ad8b6cda7f.pdf
    • http://dapperevents.com.au/uploads/1/3/0/5/130551324/ea541.pdf
    • http://michaelvincentportfolio.com/uploads/1/3/0/2/130287533/mamape.pdf
    • http://aday-late.com/uploads/1/3/0/8/130874458/94929.pdf
    • http://cpanel.kuduroofing.com/uploads/1/3/0/4/130435654/zevazaleb_ledegesuxuvi_daseg.pdf
    • http://pattylennon.net/uploads/1/3/0/7/130775490/livabixibixaji.pdf
    • http://www.mycentralparkwest.com/uploads/1/3/0/5/130551137/4c84f75c.pdf
    • http://karstonchong.com/uploads/1/3/0/4/130435811/rokizade.pdf
    • http://cracksnail.com/uploads/1/3/0/2/130291588/5696871.pdf
    • http://www.ccmaid.com/uploads/1/3/0/5/130550982/b4aaeb3f.pdf
    • http://cratergifts.com/uploads/1/3/0/6/130603838/9690355.pdf
    • http://monthlysurprise.com/uploads/1/3/0/5/130541944/tefepaxexowos-totufotajiral-fokuzimapunejo.pdf
    • http://nupelicanparty.org/uploads/1/3/0/2/130289577/130289577.html#metropolitan+opera+akhnaten+movie

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d8c.bin
5506c8b77565447e3dec84416535dc708bc3f34e8bd240ada5ab71b5b7d75194		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D8C 8136 bytes

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